Indoor environmental problems and occupants' health in water-damaged homes due to Tsunami disaster

Kenichi Hasegawa, Hiroshi Yoshino, U. Yanagi, Toru Otake, Kenichi Azuma, Haruki Osawa, Naoki Kagi, Naohide Shinohara, Asako Hasegawa

Research output: Contribution to conferencePaperpeer-review

Abstract

The Great East Japan Earthquake occurred on March 11, 2011. The resulting tsunami caused extensive damage in seaside cities along the Pacific coast of the Tohoku district of Japan. The long-term presence of water in crawl spaces and wall cavities causes elevated humidity and fungal contamination, with potential implications for affecting the health of the occupants. To clarify the actual indoor environment and occupants' adverse health effects, a questionnaire survey of flood-damaged housing in the disaster area was conducted from July to December of 2012. This paper describes the outcome of the survey and the statistical analysis of the results. We randomly selected 234 dwellings, and a total of 174 responses were obtained. Indoor dampness and mould growth were significantly increased in flood-damaged homes compared to non-flooded homes. Indoor dampness and mould growth were increased in flood-damaged homes after the tsunami disaster and adverse health effects developed six months after the flooding.

Original languageEnglish
Pages615-620
Number of pages6
Publication statusPublished - 2014 Jan 1
Event13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014 - Hong Kong, Hong Kong
Duration: 2014 Jul 72014 Jul 12

Other

Other13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014
CountryHong Kong
CityHong Kong
Period14/7/714/7/12

Keywords

  • Adverse health effects
  • Dampness
  • Flood damage
  • Great east Japan earthquake
  • Questionnaire survey
  • Tsunami

ASJC Scopus subject areas

  • Pollution
  • Building and Construction
  • Health, Toxicology and Mutagenesis
  • Computer Science Applications

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